patches/0063-ENGR00119486-MX25-Improve-Lan9217-ethernet-transfer.patch

   1 From 97a1b233ef3d7cb7d01a6d4da06ea61c5e83e35f Mon Sep 17 00:00:00 2001
   2 From: Sammy He <r62914@freescale.com>
   3 Date: Fri, 18 Dec 2009 17:06:38 +0800
   4 Subject: [PATCH] ENGR00119486 MX25: Improve Lan9217 ethernet transfer speed
   5
   6 Speed is too slow on MX25, remove udelay in cspi driver
   7
   8 Signed-off-by: Sammy He <r62914@freescale.com>
   9 ---
  10  drivers/spi/imx_cspi.c |    4 +---
  11  1 files changed, 1 insertions(+), 3 deletions(-)
  12
  13 diff --git a/drivers/spi/imx_cspi.c b/drivers/spi/imx_cspi.c
  14 index 51238eb..a4a3049 100644
  15 --- a/drivers/spi/imx_cspi.c
  16 +++ b/drivers/spi/imx_cspi.c
  17 @@ -227,9 +227,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
  18                 while ((val-- > 0) &&
  19                        (((reg =
  20                           readl(dev->base + SPI_STAT_REG)) & SPI_INT_STAT_TC) ==
  21 -                       0)) {
  22 -                       udelay(100);
  23 -               }
  24 +                       0));
  25
  26                 /* clear the TC bit */
  27                 writel(reg | SPI_INT_STAT_TC, dev->base + SPI_STAT_REG);
  28 --
  29 1.5.4.4
  30